while True:
try:
opt = input().split()
n = int(opt[1])
nums = list(map(int, input().split()))
lst = sorted(nums)[0:n]
print(' '.join(map(str, lst)))
except:
break
try:
opt = input().split()
n = int(opt[1])
nums = list(map(int, input().split()))
lst = sorted(nums)[0:n]
print(' '.join(map(str, lst)))
except:
break